GTK+ Forums

gtk_box_pack_start(GTK_BOX(label_box), label, FALSE, FALSE, 1);
gtk_box_pack_start(GTK_BOX(label_box), close_button, FALSE, FALSE, 1);

gint page_num = gtk_notebook_append_page(notebook, label_box);

g_object_set_data(G_OBJECT(close_button), "closed_page_num", (gpointer) &page_num);
g_signal_connect(close_button, "clicked", G_CALLBACK(close_page), notebook);

void close_page(GtkWidget *close_button, GtkWidget *notebook)
{
   gint *page_num;
   page_num =  (gint *) g_object_get_data(G_OBJECT(colse_button), "closed_page_num");
   gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), *page_num);
}